222220230311 has 4 divisors (see below), whose sum is σ = 223969996032. Its totient is φ = 220470464592.

The previous prime is 222220230307. The next prime is 222220230371. The reversal of 222220230311 is 113032022222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222220230311 - 2² = 222220230307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220230371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874882670 + ... + 874882923.

It is an arithmetic number, because the mean of its divisors is an integer number (55992499008).

Almost surely, 2^222220230311 is an apocalyptic number.

222220230311 is a deficient number, since it is larger than the sum of its proper divisors (1749765721).

222220230311 is a wasteful number, since it uses less digits than its factorization.

222220230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749765720.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222220230311 its reverse (113032022222), we get a palindrome (335252252533).

The spelling of 222220230311 in words is "two hundred twenty-two billion, two hundred twenty million, two hundred thirty thousand, three hundred eleven".